54 If you were writing that the four friends of "Dr. Heidegger's Experiment" did not get young again, what passage from the story would you use to support your thesis? A. P 27: Their eyes grew clear and bright; a dark shade deepened among their silvery locks; B. P 3: If all stories were true, Doctor Heidegger's study must have been a very curious place. C. P 42: But they were young: their burning passions proved them so.​

a

Explanation:

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

what is your question because all i see is "i'll give 25p. and give brainliest.